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1988–1991 1991–1992 1992–1995 1995–1997
1988–1991 1991–1992 1992–1995 1995–1997

Microsoft Mail

Microsoft Mail started as an e-mail program for local networks.

1988–1991

Microsoft Mail for Appletalk Networks

Microsoft Mail 1988

The first release was in 1988 for Appletalk Networks.

1991–1992

Microsoft Mail for PC Networks 2.1

Microsoft Mail 1991

Microsoft released a new version of Microsoft Mail for MS-DOS, Windows and Macintosh. It would also be included in the Office suite.

1992–1995

Microsoft Mail for PC Networks 3.0-3.5

Microsoft Mail

Microsoft Mail was replaced by Microsoft Exchange Client in 1995.

Microsoft Exchange Client

Microsoft Exchange Client was an e-mail program derived from the creation of Microsoft Exchange Server in 1995.

1995–1996

Microsoft Exchange Client 4.0, 5.0

Windows Messaging

Used exclusively in Windows 95.

With the release of Exchange Server 5.5, Exchange Client was replaced by Outlook.

Windows Messaging

Windows Messaging is an Exchange Client version with less features included in posterior versions of Windows 95.

1996–1997

Windows Messaging 4.0

Windows Messaging

Used in Windows 95 OSR2 and Windows NT 4.0.

Windows Messaging was replaced by Outlook Express in 1997.

Windows Messaging
Microsoft Outlook

Outlook Express